From 806ed6836b84fbea87d19a0cb4414e120dd9c049 Mon Sep 17 00:00:00 2001
From: fctom1215 <fctom1215@outlook.com>
Date: 星期五, 14 二月 2020 14:30:44 +0800
Subject: [PATCH] Merge branch 'master' of https://gitee.com/endian11/DriveJudge

---
 app/src/main/java/safeluck/drive/evaluation/bean/KeepaliveMessage.java |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/app/src/main/java/safeluck/drive/evaluation/bean/KeepaliveMessage.java b/app/src/main/java/safeluck/drive/evaluation/bean/KeepaliveMessage.java
index f04f4e1..e1fc59f 100644
--- a/app/src/main/java/safeluck/drive/evaluation/bean/KeepaliveMessage.java
+++ b/app/src/main/java/safeluck/drive/evaluation/bean/KeepaliveMessage.java
@@ -9,6 +9,8 @@
  */
 public class KeepaliveMessage extends DriveExamProtocol {
 
+
+    private static final int BODY_LENGTH = 0;
 // TODO: 2019/12/19  
 
     public KeepaliveMessage(short msg_id) {
@@ -16,7 +18,12 @@
     }
 
     @Override
+    protected short msgBodyLength() {
+        return BODY_LENGTH;
+    }
+
+    @Override
     protected byte[] createMessageBody() {
-        return new byte[0];
+        return new byte[BODY_LENGTH];
     }
 }

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